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1
An external variable is globally accessible by all functions has a declaration “extern” associated with it when declared within a function will be initialized to $0$ if not initialized all of these
asked Apr 2 in Others Lakshman Patel RJIT 54 views
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2
A stable multivibrator are used as comparator circuit squaring circuit frequency to voltage converter voltage to frequency converter
asked Apr 2 in Others Lakshman Patel RJIT 17 views
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3
The astable multivibrator has two quasi stable states two stable states one stable and one quasi-stable state none of these
asked Apr 2 in Others Lakshman Patel RJIT 15 views
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4
If space occupied by two strings $s_1$ and $s_2$ in 'C' are respectively $m$ and $n$, then space occupied by string obtained by concatenating $s_1$ and $s_2$ is always less than $m+n$ equal to $m+n$ greater than $m+n$ none of these
asked Mar 31 in Others Lakshman Patel RJIT 36 views
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5
A hash table has space for $100$ records. Then the probability of collision before the table is $10\%$ full, is $0.45$ $0.5$ $0.3$ $0.34$ (approximately)
asked Mar 31 in Others Lakshman Patel RJIT 57 views
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6
In what module multiple instances of execution will yield the same result even if one instance has not terminated before the next one has begun? Non reusable module Serially usable Re-enterable module Recursive module
asked Mar 31 in Others Lakshman Patel RJIT 23 views
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7
What is described by means of DFDs as studied earlier and represented in algebraic form? Data flow Data storage Data structures Data elements
asked Mar 31 in Others Lakshman Patel RJIT 23 views
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8
The process of converting the analog sample into discrete form is called Modulation Multiplexing Quantization Sampling
asked Mar 30 in Others Lakshman Patel RJIT 22 views
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9
At a room temperature of $300K$, calculate the thermal noise generated by two resistors of $10K\Omega$ and $20K\Omega$ when the bandwidth is $10KHz$. $1.2868\times10^{-6}V, 1.819\times10^{-6}V$ $6.08\times10^{-6}V, 15.77\times10^{-6}V$ $16.66\times10^{-6}V, 2.356\times10^{-6}V$ $1.66\times10^{-6}V, 0.23\times10^{-6}V$
asked Mar 30 in Others Lakshman Patel RJIT 16 views
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10
A company needs to develop digital signal processing software for one of its newest inventions. The software is expected to have $40000$ lines of code. The company needs to determine the effort in person-months needed to develop this software using the basic COCOMO model. The multiplicative factor ... as $1.20$. What is the estimated effort in person-months? $234.25$ $932.50$ $287.80$ $122.40$
asked Mar 30 in Others Lakshman Patel RJIT 22 views
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11
Amongst the logic families $DTL, TTL, ECL$ and $CMOS$, the family with the least power dissipation is : $CMOS$ $DTL$ $TTL$ $ECL$
asked Mar 28 in Others jothee 31 views
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12
If a relation is in 2NF and 3NF forms then : no non-prime attribute is functionally dependent on other non-prime attributes no non-prime attribute is functionally dependent on prime attributes all attributes are functionally independent prime attribute is functionally independent of all non-prime attributes
asked Mar 28 in Others jothee 22 views
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13
An example of a directory found in most $\text{UNIX}$ system is : $\text{usr}$ $\text{waitpid}$ $\text{brk}$ $\text{unmap}$
asked Mar 28 in Others jothee 13 views
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14
An error message produced by an interactive system should have : always the error code the list of mistakes done by the user displayed a non-judgmental approach the past records of the occurrence of the same mistake
asked Mar 28 in Others jothee 14 views
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15
Given a parallel algorithm $A$ with computation time $t$, if parallel algorithm $A$ performs $m$ computational operation, then $p$ processors can execute algorithm $A$ in time given by : $t/p$ $mt/p$ $t+(m-t)/p$ $(m-t)/p$
asked Mar 28 in Others jothee 17 views
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16
With reference to implementation of different association mining algorithms, identify the correct statement : The FP growth method was usually better than the best implementation of the apriori algorithm Apriori algorithm is usually better than CHARM Apriori algorithm is good when the support required is low At very low support the number of frequent items becomes less
asked Mar 28 in Others jothee 13 views
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17
Consider a typical mobile communication system. If $840$ frequencies are available, how many can be used in a given cell ? $140$ $120$ $84$ $60$
asked Mar 28 in Others jothee 14 views
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18
Which of the following expression remove hazard form : $xy+z \bar{x}$? $xy+z \bar{x}$ $xy+z \bar{x}$ $xy+z \bar{x}+yz$ $xy+z \bar{x}+wz$
asked Mar 28 in Others jothee 17 views
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19
Which statement is false regarding data Independence: Hierarchical data model suffers from data Independence. Network model suffers from data Independence. Relational model suffers only from logical data Independence. Relational model suffers only from physical data Independence.
asked Mar 28 in Others jothee 38 views
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20
In case of Bus/ Tree topology signal balancing issue is overcome by: Strong Transmitter Polling Segmentation Modulation
asked Mar 28 in Others jothee 37 views
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21
Which of the following techniques are used to control data flow? Windowing Routing RPCs Buffering $1,4$ $2,3,4$ $1,3,4$ $1,2,3,4$
asked Mar 28 in Others jothee 16 views
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22
TDM is _____. A primary /secondary type protocol A peer/peer protocol A Non-priority peer/peer protocol A priority type protocol
asked Mar 28 in Others jothee 24 views
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23
Which of the following protocols is used to prevent looping? $OSPF$ Spanning tree $SRB$ Fragment free switching
asked Mar 28 in Others jothee 17 views
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24
In an absolute loading scheme, which loader function is accomplished by programmer? Allocation Linking Rellocation Both (A) and (B)
asked Mar 28 in Others jothee 29 views
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25
The “nice” command is used in Unix: to decrease the priority of a precess. to increase the priority of a process. to get the highest priority. nothing to do with the priorities.
asked Mar 28 in Others jothee 14 views
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26
Which of the following combination is preferred with respect to cohesion and coupling: low and low low and high high and low high and high
asked Mar 28 in Others jothee 21 views
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27
Difference between flow-chart and data-flow diagram is: there is no difference usage in high level design and low level design control flow and data flow used in application programs and system programs
asked Mar 28 in Others jothee 19 views
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28
Problems with waterfall model are: Real projects rarely follow this model proposes It is often difficult for the customer Working model is available only in the end Developers are delayed unnecessarily Which of the following is true: $1$ and $4$ only $2$ and $3$ only $1$,$2$ and $3$ only $1$,$2$,$3$ and $4$
asked Mar 28 in Others jothee 14 views
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29
Which one of the following is a object-oriented approaches: The Booch method The Rambaugh method The Load and Yomdon method All of the above
asked Mar 28 in Others jothee 20 views
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30
Which technical concept sets cellular apart from all preceding mobile/ratio systems? FM-Transmission Duplex Functionality Frequency Reuse TDMA Technology
asked Mar 28 in Others jothee 16 views
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